228386118 has 16 divisors (see below), whose sum is σ = 480813120. Its totient is φ = 72121896.

The previous prime is 228386117. The next prime is 228386129. The reversal of 228386118 is 811683822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228386117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001580 + ... + 1001807.

It is an arithmetic number, because the mean of its divisors is an integer number (30050820).

Almost surely, 2^228386118 is an apocalyptic number.

228386118 is an abundant number, since it is smaller than the sum of its proper divisors (252427002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228386118 is a wasteful number, since it uses less digits than its factorization.

228386118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003411.

The product of its digits is 36864, while the sum is 39.

The square root of 228386118 is about 15112.4491066141. The cubic root of 228386118 is about 611.2561394660.

The spelling of 228386118 in words is "two hundred twenty-eight million, three hundred eighty-six thousand, one hundred eighteen".